Remove GraphicsContext3D:: stubs from cc

cc/layer_texture_sub_image.cc

Index: cc/layer_texture_sub_image.cc
diff --git a/cc/layer_texture_sub_image.cc b/cc/layer_texture_sub_image.cc
index 2261bf98529e46fcd1eaa06ca8e4095e2b7adae9..7de71598e8613e99b81faf61d9b8d098eaea729a 100644
--- a/cc/layer_texture_sub_image.cc
+++ b/cc/layer_texture_sub_image.cc
@@ -7,9 +7,9 @@
 #include "cc/layer_texture_sub_image.h"
 
 #include "CCRendererGL.h" // For the GLC() macro.
-#include "GraphicsContext3D.h"
-#include "Extensions3DChromium.h"
 #include "base/debug/trace_event.h"
+#include "third_party/khronos/GLES2/gl2.h"
+#include "third_party/khronos/GLES2/gl2ext.h"
 #include <public/WebGraphicsContext3D.h>
 
 using WebKit::WebGraphicsContext3D;
@@ -28,7 +28,7 @@ LayerTextureSubImage::~LayerTextureSubImage()
 
 void LayerTextureSubImage::upload(const uint8_t* image, const IntRect& imageRect,
                                   const IntRect& sourceRect, const IntSize& destOffset,
-                                  GC3Denum format, WebGraphicsContext3D* context)
+                                  GLenum format, WebGraphicsContext3D* context)
 {
     if (m_useMapTexSubImage)
         uploadWithMapTexSubImage(image, imageRect, sourceRect, destOffset, format, context);
@@ -38,7 +38,7 @@ void LayerTextureSubImage::upload(const uint8_t* image, const IntRect& imageRect
 
 void LayerTextureSubImage::uploadWithTexSubImage(const uint8_t* image, const IntRect& imageRect,
                                                  const IntRect& sourceRect, const IntSize& destOffset,
-                                                 GC3Denum format, WebGraphicsContext3D* context)
+                                                 GLenum format, WebGraphicsContext3D* context)
 {
     TRACE_EVENT0("cc", "LayerTextureSubImage::uploadWithTexSubImage");
 
@@ -64,19 +64,19 @@ void LayerTextureSubImage::uploadWithTexSubImage(const uint8_t* image, const Int
         pixelSource = &m_subImage[0];
     }
 
-    GLC(context, context->texSubImage2D(GraphicsContext3D::TEXTURE_2D, 0, destOffset.width(), destOffset.height(), sourceRect.width(), sourceRect.height(), format, GraphicsContext3D::UNSIGNED_BYTE, pixelSource));
+    GLC(context, context->texSubImage2D(GL_TEXTURE_2D, 0, destOffset.width(), destOffset.height(), sourceRect.width(), sourceRect.height(), format, GL_UNSIGNED_BYTE, pixelSource));
 }
 
 void LayerTextureSubImage::uploadWithMapTexSubImage(const uint8_t* image, const IntRect& imageRect,
                                                     const IntRect& sourceRect, const IntSize& destOffset,
-                                                    GC3Denum format, WebGraphicsContext3D* context)
+                                                    GLenum format, WebGraphicsContext3D* context)
 {
     TRACE_EVENT0("cc", "LayerTextureSubImage::uploadWithMapTexSubImage");
     // Offset from image-rect to source-rect.
     IntPoint offset(sourceRect.x() - imageRect.x(), sourceRect.y() - imageRect.y());
 
     // Upload tile data via a mapped transfer buffer
-    uint8_t* pixelDest = static_cast<uint8_t*>(context->mapTexSubImage2DCHROMIUM(GraphicsContext3D::TEXTURE_2D, 0, destOffset.width(), destOffset.height(), sourceRect.width(), sourceRect.height(), format, GraphicsContext3D::UNSIGNED_BYTE, Extensions3DChromium::WRITE_ONLY));
+    uint8_t* pixelDest = static_cast<uint8_t*>(context->mapTexSubImage2DCHROMIUM(GL_TEXTURE_2D, 0, destOffset.width(), destOffset.height(), sourceRect.width(), sourceRect.height(), format, GL_UNSIGNED_BYTE, GL_WRITE_ONLY));
 
     if (!pixelDest) {
         uploadWithTexSubImage(image, imageRect, sourceRect, destOffset, format, context);
@@ -85,11 +85,11 @@ void LayerTextureSubImage::uploadWithMapTexSubImage(const uint8_t* image, const
 
     unsigned int componentsPerPixel = 0;
     switch (format) {
-    case GraphicsContext3D::RGBA:
-    case Extensions3D::BGRA_EXT:
+    case GL_RGBA:
+    case GL_BGRA_EXT:
         componentsPerPixel = 4;
         break;
-    case GraphicsContext3D::LUMINANCE:
+    case GL_LUMINANCE:
         componentsPerPixel = 1;
         break;
     default: